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Vulnerability details: VCID-e3j5-xgbr-2qa1
Vulnerability ID VCID-e3j5-xgbr-2qa1
Aliases CVE-2013-4389
GHSA-rg5m-3fqp-6px8
OSV-98629
Summary Possible DoS Vulnerability A carefully crafted email address in conjunction with the Action Mailer logger format string could take advantage of a bug in Ruby's sprintf implementation and possibly lead to a denial of service attack. Impacted Ruby code will look something like this: `"some string #{user_input}" % some_number`
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-134 Use of Externally-Controlled Format String
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2013-12/msg00091.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2013-12/msg00094.html
generic_textual MODERATE http://lists.opensuse.org/opensuse-updates/2014-01/msg00003.html
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
epss 0.01333 https://api.first.org/data/v1/epss?cve=CVE-2013-4389
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-rg5m-3fqp-6px8
generic_textual MODERATE https://github.com/advisories/GHSA-rg5m-3fqp-6px8
generic_textual MODERATE https://github.com/rails/rails/tree/main/actionmailer
generic_textual MODERATE https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionmailer/CVE-2013-4389.yml
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2013-4389
generic_textual MODERATE https://web.archive.org/web/20201208175929/https://groups.google.com/forum/message/raw?msg=ruby-security-ann/yvlR1Vx44c8/elKJkpO2KVgJ
generic_textual MODERATE http://www.debian.org/security/2014/dsa-2887
generic_textual MODERATE http://www.debian.org/security/2014/dsa-2888
Reference id Reference type URL
http://lists.opensuse.org/opensuse-updates/2013-12/msg00091.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00094.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00003.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4389.json
https://api.first.org/data/v1/epss?cve=CVE-2013-4389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4491
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6414
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6415
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6417
http://seclists.org/oss-sec/2013/q4/118
https://github.com/advisories/GHSA-rg5m-3fqp-6px8
https://github.com/rails/rails/tree/main/actionmailer
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionmailer/CVE-2013-4389.yml
https://nvd.nist.gov/vuln/detail/CVE-2013-4389
https://web.archive.org/web/20201208175929/https://groups.google.com/forum/message/raw?msg=ruby-security-ann/yvlR1Vx44c8/elKJkpO2KVgJ
http://www.debian.org/security/2014/dsa-2887
http://www.debian.org/security/2014/dsa-2888
1013913 https://bugzilla.redhat.com/show_bug.cgi?id=1013913
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.79914
EPSS Score 0.01333
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:46:50.524992+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/actionmailer/CVE-2013-4389.yml 38.0.0